Comparing: M103 vs. E 75 vs. T-10

The development started in 1948. In 1952 the order was placed for production of 300 vehicles to fight in the Korean War. The tank was designated as M103.

In 1945 the E 75 was conceived as a standard heavy tank of the Panzerwaffe to replace the Tiger II. It existed only in blueprints.

Development started in 1949. The vehicle entered service in 1953 under the designation T-10. Subsequent development yielded several modifications of the tank, the most mass-produced being the T-10M. Approximately 2,500 vehicles were produced.